| vmbus.c (307291) | vmbus.c (307301) |
|---|---|
| 1/*- 2 * Copyright (c) 2009-2012,2016 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/* 30 * VM Bus Driver Implementation 31 */ 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2009-2012,2016 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/* 30 * VM Bus Driver Implementation 31 */ 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: stable/11/sys/dev/hyperv/vmbus/vmbus.c 307291 2016-10-14 07:40:04Z sephe $"); | 33__FBSDID("$FreeBSD: stable/11/sys/dev/hyperv/vmbus/vmbus.c 307301 2016-10-14 07:47:35Z sephe $"); |
| 34 35#include <sys/param.h> 36#include <sys/bus.h> 37#include <sys/kernel.h> 38#include <sys/lock.h> 39#include <sys/malloc.h> 40#include <sys/module.h> 41#include <sys/proc.h> --- 158 unchanged lines hidden (view full) --- 200 mhc->mhc_free = NULL; 201 } 202 203 mtx_unlock(&mhc->mhc_free_lock); 204 205 return mh; 206} 207 | 34 35#include <sys/param.h> 36#include <sys/bus.h> 37#include <sys/kernel.h> 38#include <sys/lock.h> 39#include <sys/malloc.h> 40#include <sys/module.h> 41#include <sys/proc.h> --- 158 unchanged lines hidden (view full) --- 200 mhc->mhc_free = NULL; 201 } 202 203 mtx_unlock(&mhc->mhc_free_lock); 204 205 return mh; 206} 207 |
| 208struct vmbus_msghc * 209vmbus_msghc_get(struct vmbus_softc *sc, size_t dsize) | 208void 209vmbus_msghc_reset(struct vmbus_msghc *mh, size_t dsize) |
| 210{ 211 struct hypercall_postmsg_in *inprm; | 210{ 211 struct hypercall_postmsg_in *inprm; |
| 212 struct vmbus_msghc *mh; | |
| 213 214 if (dsize > HYPERCALL_POSTMSGIN_DSIZE_MAX) | 212 213 if (dsize > HYPERCALL_POSTMSGIN_DSIZE_MAX) |
| 215 return NULL; | 214 panic("invalid data size %zu", dsize); |
| 216 | 215 |
| 217 mh = vmbus_msghc_get1(sc->vmbus_msg_hc, VMBUS_MSGHC_CTXF_DESTROY); 218 if (mh == NULL) 219 return NULL; 220 | |
| 221 inprm = mh->mh_inprm; 222 memset(inprm, 0, HYPERCALL_POSTMSGIN_SIZE); 223 inprm->hc_connid = VMBUS_CONNID_MESSAGE; 224 inprm->hc_msgtype = HYPERV_MSGTYPE_CHANNEL; 225 inprm->hc_dsize = dsize; | 216 inprm = mh->mh_inprm; 217 memset(inprm, 0, HYPERCALL_POSTMSGIN_SIZE); 218 inprm->hc_connid = VMBUS_CONNID_MESSAGE; 219 inprm->hc_msgtype = HYPERV_MSGTYPE_CHANNEL; 220 inprm->hc_dsize = dsize; |
| 221} |
|
| 226 | 222 |
| 223struct vmbus_msghc * 224vmbus_msghc_get(struct vmbus_softc *sc, size_t dsize) 225{ 226 struct vmbus_msghc *mh; 227 228 if (dsize > HYPERCALL_POSTMSGIN_DSIZE_MAX) 229 panic("invalid data size %zu", dsize); 230 231 mh = vmbus_msghc_get1(sc->vmbus_msg_hc, VMBUS_MSGHC_CTXF_DESTROY); 232 if (mh == NULL) 233 return NULL; 234 235 vmbus_msghc_reset(mh, dsize); |
|
| 227 return mh; 228} 229 230void 231vmbus_msghc_put(struct vmbus_softc *sc, struct vmbus_msghc *mh) 232{ 233 struct vmbus_msghc_ctx *mhc = sc->vmbus_msg_hc; 234 --- 1071 unchanged lines hidden --- | 236 return mh; 237} 238 239void 240vmbus_msghc_put(struct vmbus_softc *sc, struct vmbus_msghc *mh) 241{ 242 struct vmbus_msghc_ctx *mhc = sc->vmbus_msg_hc; 243 --- 1071 unchanged lines hidden --- |